Encyclopedia Entry: 93LC46BT-I/SN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Characteristics: Small form factor, low power consumption, high reliability
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Data storage and retrieval in electronic devices
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on manufacturer

Specifications

The 93LC46BT-I/SN is a specific model of the 93LC46 series EEPROM ICs. It offers the following specifications: - Memory Size: 1Kbits (128 x 8 bits) - Operating Voltage: 2.5V to 5.5V - Operating Temperature Range: -40°C to +85°C - Write Endurance: 1 Million cycles - Data Retention: 200 years - Interface: Serial Peripheral Interface (SPI)

Detailed Pin Configuration

The 93LC46BT-I/SN IC has a total of 8 pins, each serving a specific purpose: 1. Chip Select (/CS): Enables communication with the IC when set to a low logic level. 2. Serial Clock (SCK): Provides the clock signal for data transfer. 3. Serial Data Input (DI): Used to input data into the IC during write operations. 4. Serial Data Output (DO): Outputs data from the IC during read operations. 5. Write Enable (/W): Controls the write operation when set to a low logic level. 6. VCC: Power supply pin (+2.5V to +5.5V). 7. Ground (GND): Common ground reference. 8. NC: No connection (unused pin).

Functional Features

• Non-volatile memory: Retains data even when power is removed.
• Electrically erasable and programmable: Allows for easy modification of stored data.
• Serial interface: Enables simple integration with microcontrollers and other devices.
• Low power consumption: Ideal for battery-powered applications.
• High reliability: Offers robust data storage and retrieval capabilities.

Advantages and Disadvantages

Advantages: - Compact size allows for space-efficient designs. - Wide operating voltage range enables compatibility with various systems. - High write endurance ensures longevity of the IC. - Data retention period of 200 years provides long-term reliability.

Disadvantages: - Limited memory capacity (1Kbits) may not be sufficient for certain applications. - Serial interface may require additional circuitry for parallel communication needs.

Working Principles

The 93LC46BT-I/SN EEPROM IC utilizes a floating gate transistor structure to store and retrieve data. When data is written, an electric charge is trapped in the floating gate, altering the transistor's behavior. This change can be detected during read operations, allowing the stored data to be retrieved.

Detailed Application Field Plans

The 93LC46BT-I/SN IC finds application in various electronic devices, including but not limited to: - Consumer electronics: Used for storing configuration settings, user preferences, and calibration data in devices such as TVs, set-top boxes, and audio equipment. - Automotive electronics: Employed for storing critical data like mileage, vehicle settings, and security information in automotive systems. - Industrial automation: Utilized for storing parameters, calibration data, and system configurations in industrial control systems and sensors. - Medical devices: Used for storing patient data, device settings, and firmware updates in medical equipment.

Detailed and Complete Alternative Models

• 93LC46B: Similar to 93LC46BT-I/SN, but available in DIP (Dual Inline Package) instead of SOIC.
• 93LC66B: Offers higher memory capacity (2Kbits) compared to 93LC46BT-I/SN.
• 93LC56B: Provides lower memory capacity (256 bits) but is more cost-effective for applications with limited storage requirements.

Note: The above alternative models are part of the same series and share similar functionalities.

This comprehensive encyclopedia entry provides an overview of the 93LC46BT-I/SN EEPROM IC, including its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.